1640674980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1801}}^1$

素因数の和:2067

約数の個数: 192

約数和(自身を含む): 5860968960

約数和(自身を除く): 4220293980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 241, 252, 270, 315, 378, 420, 482, 540, 630, 723, 756, 945, 964, 1205, 1260, 1446, 1687, 1801, 1890, 2169, 2410, 2892, 3374, 3602, 3615, 3780, 4338, 4820, 5061, 5403, 6507, 6748, 7204, 7230, 8435, 8676, 9005, 10122, 10806, 10845, 12607, 13014, 14460, 15183, 16209, 16870, 18010, 20244, 21612, 21690, 25214, 25305, 26028, 27015, 30366, 32418, 32535, 33740, 36020, 37821, 43380, 45549, 48627, 50428, 50610, 54030, 60732, 63035, 64836, 65070, 75642, 75915, 81045, 91098, 97254, 101220, 108060, 113463, 126070, 130140, 151284, 151830, 162090, 182196, 189105, 194508, 226926, 227745, 243135, 252140, 303660, 324180, 340389, 378210, 434041, 453852, 455490, 486270, 567315, 680778, 756420, 868082, 910980, 972540, 1134630, 1302123, 1361556, 1701945, 1736164, 2170205, 2269260, 2604246, 3038287, 3403890, 3906369, 4340410, 5208492, 6076574, 6510615, 6807780, 7812738, 8680820, 9114861, 11719107, 12153148, 13021230, 15191435, 15625476, 18229722, 19531845, 23438214, 26042460, 27344583, 30382870, 36459444, 39063690, 45574305, 46876428, 54689166, 58595535, 60765740, 78127380, 82033749, 91148610, 109378332, 117191070, 136722915, 164067498, 182297220, 234382140, 273445830, 328134996, 410168745, 546891660, 820337490, 1640674980]

約数ペア:

[(1, 1640674980), (2, 820337490), (3, 546891660), (4, 410168745), (5, 328134996), (6, 273445830), (7, 234382140), (9, 182297220), (10, 164067498), (12, 136722915), (14, 117191070), (15, 109378332), (18, 91148610), (20, 82033749), (21, 78127380), (27, 60765740), (28, 58595535), (30, 54689166), (35, 46876428), (36, 45574305), (42, 39063690), (45, 36459444), (54, 30382870), (60, 27344583), (63, 26042460), (70, 23438214), (84, 19531845), (90, 18229722), (105, 15625476), (108, 15191435), (126, 13021230), (135, 12153148), (140, 11719107), (180, 9114861), (189, 8680820), (210, 7812738), (241, 6807780), (252, 6510615), (270, 6076574), (315, 5208492), (378, 4340410), (420, 3906369), (482, 3403890), (540, 3038287), (630, 2604246), (723, 2269260), (756, 2170205), (945, 1736164), (964, 1701945), (1205, 1361556), (1260, 1302123), (1446, 1134630), (1687, 972540), (1801, 910980), (1890, 868082), (2169, 756420), (2410, 680778), (2892, 567315), (3374, 486270), (3602, 455490), (3615, 453852), (3780, 434041), (4338, 378210), (4820, 340389), (5061, 324180), (5403, 303660), (6507, 252140), (6748, 243135), (7204, 227745), (7230, 226926), (8435, 194508), (8676, 189105), (9005, 182196), (10122, 162090), (10806, 151830), (10845, 151284), (12607, 130140), (13014, 126070), (14460, 113463), (15183, 108060), (16209, 101220), (16870, 97254), (18010, 91098), (20244, 81045), (21612, 75915), (21690, 75642), (25214, 65070), (25305, 64836), (26028, 63035), (27015, 60732), (30366, 54030), (32418, 50610), (32535, 50428), (33740, 48627), (36020, 45549), (37821, 43380)]